If you understand this, you are a genius:
https://crafts.stackexchange.com/questions/3316/how-to-measu...
For that, you have to teach yourself how to see things in the most objective way possible, without meaning. Don't see a dog or a head or a leg, but just a mass of shapes, lines, areas. Measure them, compare them. It's all about that.
People think drawing is in the hand, but it is in the eyes and in learning how to see things differently.
Good luck! It can be very therapeutic and rewarding.
"Supposing then that you are ready to take a certain amount of pains, and to bear a little irksomeness and a few disappointments bravely, I can promise you that an hour's practice a day for six months, or an hour's practice every other day for twelve months, or, disposed in whatever way you find convenient, some hundred and fifty hours' practice, will give you sufficient power of drawing faithfully whatever you want to draw, and a good judgment, up to a certain point, of other people's work: of which hours if you have one to spare at present, we may as well begin at once."
I feel comfortable enough with my technical skills where I feel like I can pick up a new language or framework with relative ease, so I want to switch gears and improve my drawing and visual communication skills. I believe that any project can benefit from a compelling visual component.
For now, I've been trying to start slow and just have fun; for example, telling myself to do three quick sketches of my dog every day and keep up a habit. Eventually I'd like to follow some more structured exercises and resources, like https://drawabox.com/.